PartsTable
Technical Data Sheet
Download PDF

3-855-19 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3-855-19: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 LOCATION NOT OTHERWISE SPECIFIED, surface_treatment: ANODIZE, material_thickness: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, inside_diameter/arch_length: 0.250 INCHES NOMINAL IN, distance_between_base_and_inside_of_arch: 0.100 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-079-8360, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3-855-19
NSN: 5340-01-079-8360
FSC: 5340 — Hardware, Commercial
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 LOCATION NOT OTHERWISE SPECIFIED
surface_treatmentANODIZE
material_thickness0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
inside_diameter/arch_length0.250 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch0.100 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
NSN5340-01-079-8360
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-855-19 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL THICKNESS: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
DISTANCE BETWEEN BASE AND INSIDE OF ARCH: 0.100 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: ALUMINUM ALLOY 6061 LOCATION NOT OTHERWISE SPECIFIED
•
INSIDE DIAMETER/ARCH LENGTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL THICKNESS0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.100 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY 6061 LOCATION NOT OTHERWISE SPECIFIED
INSIDE DIAMETER/ARCH LENGTH0.250 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 3-855-19?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3-855-19?
3-855-19 is a STRAP,RETAINING.
What is the NSN for 3-855-19?
3-855-19 is cataloged in the U.S. Government catalog under NSN 5340-01-079-8360. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3-855-19

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.